Product: Microsoft SQL Server 2005 (64-bit) -- Error 29527. The setup has encountered an unexpected error in datastore

Product: Microsoft SQL Server 2005 (64-bit) -- Error 29527. The setup has encountered an unexpected error in datastore. The action is RestoreSetupParams. The error is :  Source File Name: datastore\cachedpropertycollection.cpp
Compiler Timestamp: Tue Sep 21 15:48:22 2010
     Function Name: CachedPropertyCollection::findProperty
Source Line Number: 130
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Failed to find property "OwningGroup" {"VirtualServerInfo", "", "*********"} in cache
   Source File Name: datastore\clusterinfocollector.cpp
 Compiler Timestamp: Tue Sep 21 15:48:22 2010
      Function Name: ClusterInfoCollector::collectClusterVSInfo
 Source Line Number: 888
 ----------------------------------------------------------
 Failed to detect VS info due to datastore exception.
    Source File Name: datastore\clustergroupsproperties.cpp
  Compiler Timestamp: Tue Sep 21 15:48:22 2010
       Function Name: ClusterGroupScope.SharedDisks
  Source Line Number: 56
  ----------------------------------------------------------
  Failed to find a cluster group that owned shared disk: L: